From fd621d737206d852a658401a8f77751005bc57f0 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 27 Feb 2011 20:50:45 +0000 Subject: [PATCH] p54: fix a null pointer dereference bug SVN-Revision: 25775 --- .../patches/710-p54_rssi_crash_fix.patch | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 package/mac80211/patches/710-p54_rssi_crash_fix.patch diff --git a/package/mac80211/patches/710-p54_rssi_crash_fix.patch b/package/mac80211/patches/710-p54_rssi_crash_fix.patch new file mode 100644 index 0000000000..73089cda55 --- /dev/null +++ b/package/mac80211/patches/710-p54_rssi_crash_fix.patch @@ -0,0 +1,18 @@ +--- a/drivers/net/wireless/p54/eeprom.c ++++ b/drivers/net/wireless/p54/eeprom.c +@@ -524,10 +524,13 @@ err_data: + + struct p54_rssi_db_entry *p54_rssi_find(struct p54_common *priv, const u16 freq) + { +- struct p54_rssi_db_entry *entry = (void *)(priv->rssi_db->data + +- priv->rssi_db->offset); ++ struct p54_rssi_db_entry *entry; + int i, found = -1; + ++ if (!priv->rssi_db) ++ return &p54_rssi_default; ++ ++ entry = (void *)(priv->rssi_db->data + priv->rssi_db->offset); + for (i = 0; i < priv->rssi_db->entries; i++) { + if (!same_band(freq, entry[i].freq)) + continue; -- 2.30.2